Supported metallic yarns



April25, 1967 M. FREYDBERG 7 3,315,456

SUPPORTED METALLIC YARNS Filed Dec. 7, 1965 INVENTOR. RAL PH M.FREYDBERG BY W14, 64%? A TIER/V5).

United States Patent 3,315,456 SUPPORTED METALLIC YARNS Ralph M.Freydberg, Rye, N .Y., assignor to Acme Backing Corporation, New York,N.Y., a corporation of New York Filed Dec. 7, 1965, Ser. No. 512,061 10Claims. (Cl. 57144) This invention relates to textile yarns and fabricsformed of such yarns.

Metallic threads either alone or in association with non-metallicthreads and yarns, have been used in woven and knitted fabrics toachieve various ornamental effects. However, such fabrics have beenlimited in garment usage to outer-wear which does not come into directcontact with the skin, since conventional metallic fabrics have a harsh,abrasive action on the human skin.

Accordingly, an object of this invention is to provide an improvedmetallic thread which can be incorporated into various fabrics forconversion into garments which have direct contact with the human skin;wherein such garments have a soft hand and are devoid of any0bjectionable harsh abrasive feeling; the garments having selectedornamental and decorative effects accruing from the use of the metallicthreads.

Another object of this invention is to provide an improved metallicthread containing textile yarn, which also includes stretch yarns; theresultant composite yarn being convertible into stretch fabrics byknitting or the like, and conventional fabric finishing operations.

Still another object of this invention is to provide an improved textileyarn incorporating bright metal threads; such yarn being economical tomanufacture and convertible into various fabric forms by conventionaltextile operations; the resultant fabrics being useful for various itemsof wearing apparel including those worn directly against the skin, suchas brassieres or the like; the garments having ornamental and decorativeeffects accruing from the metal threads, yet being of reasonable weight.

Other objects of this invention will in part be obvious and in parthereinafter pointed out.

In the drawing, FIG. 1 is a transverse sectional view of a metallicthread, in enlarged condition; such thread forming an element of thetextile yarn embodying the invention;

FIG. 2 is an enlarged elevational view showing a twisted composite yarnembodying the invention.

Essentially, the textile yarn of the instant invention comprises stretchnylon yarns in twisted relation to a single end of metallic thread; themetallic thread being of such a width as to give rise to variousdesirable properties in fabrics and garments derived from such yarns.

Thus, as shown in FIG. 1, 10 designates a metallic thread forming acorelike element of the textile yarn embodying the invention. Thread 10comprises an intermediate ply 11 of metal foil of selected thickness,such as aluminum foil or the like; with outer plies 12, 13 of syntheticresin film of selected thickness, respectively adhered to the oppositesurfaces of metal ply 11 by adhesive layers 14.

Threads 10 are formed in a conventional manner, as by laminating in acontinuous manner, a sheet of aluminum foil having a thickness of about.00045" with foil webs of transparent synthetic resin such aspolymerized ethylene glycol terephthalate (Mylar) having a thickness ofabout .00025", using suitable resin adhesives known in the art, such asthermosetting resins. The resultant laminate is then longitudinally slitin a manner known in the art to form individual threads 10 which have awidth of about The threads provide a single end for association with apair of ends of stretch nylon 66 indicated at 15, 16,

in FIG. 2. Nylon ends 15, 16 are of commercially available stretch nylon66 which may be of a 30 denier for a 10 filament yarn. The ends 15, 16are cross twisted about thread 10, as shown in FIG. 2, with a twist of 6turns to the inch to form the composite yarn 17.

The denier of the nylon ends 15, 16 may range from a 20 denier for a 7filament yarn to a denier for a 34 filament yarn; a 30 denier for a 10filament yarn being preferred.

The metal foil from which intermediate ply 11 is derived, may have athickness ranging from about .00035" to about .00075", with a preferredthickness of about .00045". The synthetic resin films from which plies12, 13 are derived, may have a thickness ranging from about .00015" toabout .00040", with a preferred thickness of about .00025. The plies 12,13 may be derived from various synthetic resins in transparent foilform, including polyester resins such as Mylar, olefins resins,polystyrene resins, acetates, nylon, polypropylene, and the like. Theresin adhesive layers 14 are of minimal thickness and may be of theorder of about .00015".

Thus, the metallic thread 10 may have a total thickness of about .001".The width of thread 10 may range from about A to about /100" with apreferred width of about g The yarns 17 are used in a conventionalmanner to form knit goods of various sorts; the goods being subjected tothe conventional finishing operations, particularly those associatedwith the making of stretch nylon products. Thus, the yarns may be usedin making hosiery, shoe fabrics, tricot, sportswear, foundationgarments, brassieres and the like, where the same may come in directcontact withthe skin of the wearer.

It has been found that such garments and fabrics do not irritate orabrade the skin, despite the metallic content of the fabric. Thus, theadvantages in ornamentation and decoration derived from such metallicthreads is gained without the objections usually associated withconventional metallic thread fabrics.

While, thread 10 is shown with a pair of plastic film lies 12, 13 oneither side of intermediate metal foil ply 11; it is understood that asingle plastic film ply may be adhered to the metail foil ply 11. Also,a single end of nylon may be twisted with thread 10 to form a yarnsuitable for the purpose herein described.

The resin film plies 12, 13, as well as the adhesive layers 14 aretransparent so that the slivery color of the aluminum foil ply 11 showsthrough. However, adhesive layers 14 may be colored by incorporatingsuitable pigments therein to give a gold or other selected color tothreads 10.

As various changes might be made in the embodiments of the inventionherein described without departing from the spirit of the invention, itis understood that all matter herein shown or described is illustrativeand not limiting except as set forth in the appended claims.

What is claimed is:

1. A textile yarn comprising at least one end of multifilament stretchnylon and one end of a laminated metallic thread in twisted relation,said metallic thread comprising a ply of metal film and a ply oftransparent synthetic resin film in adhered relation to at least onesurface of said ply of metal film, said metallic thread having a Widthof from about .01 inch to about .005 inch.

2. A textile yarn as in claim 1 wherein a ply of transparent syntheticresin film is in adhered relation to the opposite surfaces of said plyof metal film.

3. A textile yarn as in claim 1 wherein said metallic thread has a widthof about .00833 inch and said ply of metal film has a thickness of fromabout .00035 inch to about .00075 inch.

4. A textile yarn as in claim 3, wherein said ply of metal film has athickness of about .00045 inch.

5. A textile yarn as in claim 1 wherein two ends of multifilamentstretch nylon are in cross twisted relation to said one end of metallicthread, the twist being at the' rate of 5 to 7 turns per inch ofmetallic thread.

6. A textile yarn as in claim 5 wherein each of said nylon ends has adenier of from 20 for a 7 filament yarn to 100 for 34 filament yarns.

7. A textile yarn as in claim 6 wherein each of said nylon ends has adenier of 30 for a 10 filament yarn.

8. A textile yarn as in claim 1 wherein said metallic thread has athickness of about .001 inch.

9. A textile yarn as in claim 1 wherein said ply of synthetic resin filmis of a polyester resin.

10. A knitted textile fabric comprising yarns in accordance with claim1.

References Cited by the Examiner UNITED STATES PATENTS 3,099,066 7/1963Scharf 57140 3,166,885 1/1965 Bridgeman et a1. 57163 FOREIGN PATENTS695,945 10/ 1964 Canada.

FRANK I. COHEN, Primary Examiner. A. I. SIDOTI, D. E. WATKINS, AssistantExaminers.

1. A TEXTILE YARN COMPRISING AT LEAST ONE END OF MULTIFILAMENT STRETCHNYLON AND ONE END OF A LAMINATED METALLIC THREAD IN TWISTED RELATION,SAID METALLIC THREAD COMPRISING A PLY OF METAL FILM AND PLY OFTRANSPARENT SYNTHETIC RESIN FILM IN ADHERED RELATION TO AT LEAST ONESUR-